-2(2r+4)=28+2r

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Solution for -2(2r+4)=28+2r equation:


Simplifying
-2(2r + 4) = 28 + 2r

Reorder the terms:
-2(4 + 2r) = 28 + 2r
(4 * -2 + 2r * -2) = 28 + 2r
(-8 + -4r) = 28 + 2r

Solving
-8 + -4r = 28 + 2r

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '-2r' to each side of the equation.
-8 + -4r + -2r = 28 + 2r + -2r

Combine like terms: -4r + -2r = -6r
-8 + -6r = 28 + 2r + -2r

Combine like terms: 2r + -2r = 0
-8 + -6r = 28 + 0
-8 + -6r = 28

Add '8' to each side of the equation.
-8 + 8 + -6r = 28 + 8

Combine like terms: -8 + 8 = 0
0 + -6r = 28 + 8
-6r = 28 + 8

Combine like terms: 28 + 8 = 36
-6r = 36

Divide each side by '-6'.
r = -6

Simplifying
r = -6

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